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1HSA 801 080-15en EXCOUNT-II Users Manual

3. Sensor installation

3.4 Installation of sensor alternative 1

Screws, nuts, sockets, washers and conductors are not supplied by ABB
unless specified.

Mount EXCOUNT-II (3) on surge arrester´s bottom flange (4) above insula-
ting base (5) according to figure 3.3.1. Do not place close to venting duct
(if any). Bolt joint (1) and (2) is supplied with ABB insulating base (5).
Fitting and tightening torque according to instructions supplied with
insulating base.

EXCOUNT-II is used as earth connection.
Connect earth cable with tinplated socket (7) according to figure 3.3.3.
Recommended screw: M12 (6)
Tightening torque for M12: 84 Nm, use washers

Figure 3.4.1

Figure 3.4.2

Top view

Figure 3.4.3

Side view

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Содержание EXCOUNT-II

Страница 1: ...1 1HSA 801 080 15en EXCOUNT II Users Manual User s manual EXCOUNT II ...

Страница 2: ...received including interference that may cause undesired operation WARNING Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment NOTE This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reaso...

Страница 3: ...ect the Transceiver to other voltage sources than a standard 9 volt battery type 6LR61 PP3 Ensure that the battery is connected correctly The Transceiver contains a radio transmitter and receiver which must not be used where the use of radio transmit ters or other electronic devices is prohibited WARNING All work related to the fitting mounting assembly or handling of EXCOUNT II sensors and the su...

Страница 4: ...2 3 Insert the 9V battery in the transceiver 12 2 4 Pre installation 12 2 5 Installation of battery in the sensor 14 2 6 EXCOUNT II software 15 2 7 First time administration of the sensors 20 3 Sensor installation 3 1 Note the sensor ID number 25 3 2 Common installation alternatives 25 3 3 Reference measurement 25 3 4 Installation of sensor alternative 1 26 3 5 Installation of sensor alternative 2...

Страница 5: ...body affects the signal strength 38 4 7 Optimal direction of the internal transceiver antenna 38 4 8 Direction of the sensor antenna 39 4 9 Special configurations 40 4 10 Total versus individual readings 42 4 11 Measurement strategy 42 5 Transceiver menus 44 6 Surge arrester monitoring theory 6 1 Introduction 52 6 2 Surge counting 52 6 3 Leakage current measurements 54 7 Radio transmission protoco...

Страница 6: ...6 1HSA 801 080 15en EXCOUNT II Users Manual ...

Страница 7: ...7 1HSA 801 080 15en EXCOUNT II Users Manual Introduction Section 1 ...

Страница 8: ...f EXCOUNT II to give you total control over surge monitoring Please visit www abb com arrestersonline for more information about EXCOUNT II and also to download the latest version of the PC pro gram 1 1 Sequence of installation As a quick guide the respective procedure in the below table should be followed for safe and correct installation of the EXCOUNT II Procedure Section Read the safety instru...

Страница 9: ...and measures the leakage current As an option resistive leakage current can also be measured The measuring data is transfered to the hand held transceiver by radio communication An optional external hand held antenna is available for the transceiver in special applications requiring a stronger radio signal transmission line application for example The information from the hand held transceiver is ...

Страница 10: ...10 1HSA 801 080 15en EXCOUNT II Users Manual ...

Страница 11: ...11 1HSA 801 080 15en EXCOUNT II Users Manual Before Installation Section 2 ...

Страница 12: ...onvenience a philips screwdriver is provi ded for fitting of the 9V battery in the transceiver 2 3 Insert the 9V battery in the transceiver Open the battery compartment on the rear of the transceiver using the supplied screwdriver The compartment cover is locked with a single philips head screw Insert the battery and ensure the correct polarity Replace the cover and firmly tighten the screw Import...

Страница 13: ... section 2 7 e Testing the communication between sensor and transceiver Prior to installation each sensor should be initialised by making a reading of surge counter data only See section 2 7 4 and 5 for details of how to use the transceiver This will establish a link between the administration details in the PC program and the sensor Confirm that contact can be made with the sensor and revert to A...

Страница 14: ...is insufficient sunlight and or electrical field To ensure continuous power a long life 9V lithium battery may be installed Installation of a battery is an absolute necessity for indoor use of the sensor since no sunlight is available to provide the primary source of power NOTE A long life battery is pre installed from the factory for user con venience to minimize difficulties in communication due...

Страница 15: ... with the delivery is a data cable for communication between the hand held transceiver and the computer 2 6 1 Installation Insert the CD into your computer Press the START button in lower left corner Select SETTINGS then CONTROL PANEL Double click on the icon ADD REMOVE PROGRAMS Select ADD NEW PROGRAMS Follow the instructions on the screen 2 6 2 Uninstallation Press the START button in lower left ...

Страница 16: ...izard should be used to install devices when they are connected to the PC for the first time as this is the recommended procedure for reliable device operation 1 Connect the transceiver to the PC via the data cable The PC will automatically detect a new USB device 2 The Found New Hardware Wizard window appears A manual installation of the software drivers is required Choose Install from a list or ...

Страница 17: ...l 2 Before installation 3 Choose Search for the best driver in these locations Then choose Include this location in the search where you enter the path to the driver catalogue found on the EXCOUNT II installation CD Then click Next Figure 2 6 2 ...

Страница 18: ...iscover that the drivers has not passed the Win dows logo testing This is only a warning arising from the unique nature of EXCOUNT II and does not affect the driver or system performance The device is USB compliant and the drivers are Windows compliant Click Continue Anyway Figure 2 6 3 ...

Страница 19: ...Manual 2 Before installation 5 The system will find the setup files and follow the instruction of the setup file to copy drivers Confirm the device drivers found and driver installation complete Click Finish to close the wizard Figure 2 6 4 ...

Страница 20: ... record in the database must have a unique combination of station position and phase see figure 2 7 2 All current generation ABB and earlier ASEA gapless ZnO surge arrester types are included in the arrester data For other types of gapless surge arresters simply select the appro priate IEC class from the dropdown list see figure 2 7 2 IMPORTANT After input of the administration details an initial ...

Страница 21: ...ng on the PC prior to trans fer see figure 2 7 4 and 2 7 5 If not set them as described in section 5 of this manual If this is not done the date stamp from the sensor will be incorrect which can lead to difficulties in recording measurements 3 Before going to site check the Transceiver s battery status If necessary install a new battery as described in section 2 3 4 Once at site individually check...

Страница 22: ...22 1HSA 801 080 15en EXCOUNT II Users Manual ...

Страница 23: ...23 1HSA 801 080 15en EXCOUNT II Users Manual Sensor Installation Section 3 ...

Страница 24: ...d maintenance of all the sensors described in this instruction must be done by personnel trained for this type of work WARNING All work related to the installation of EXCOUNT II sensors and the surge arresters shall be made with de energized and earthed conductors Follow all regulations and rules stated by international or national safety regulations Normally the EXCOUNT II sensors and the surge a...

Страница 25: ...rge the internal power source is via the solar cells or separate DC battery NOTE Resistive current measurement is not supported with alternative 2 Alternative 3 Section 3 6 The sensor is mounted on a Transmission Line Arrester TLA for example PEXLINK Special consideration must be paid to the arrang ement and a separate antenna available as an option may be necessary for certain configurations tall...

Страница 26: ...a ting base 5 according to figure 3 3 1 Do not place close to venting duct if any Bolt joint 1 and 2 is supplied with ABB insulating base 5 Fitting and tightening torque according to instructions supplied with insulating base EXCOUNT II is used as earth connection Connect earth cable with tinplated socket 7 according to figure 3 3 3 Recommended screw M12 6 Tightening torque for M12 84 Nm use washe...

Страница 27: ...XCOUNT II against planar surface Use 2 X M6 bolts Connect upper terminal to flange bottom terminal to earth via conductor Recommended screw M12 Do not mount on earthed plate Antenna area min distance to groundplane 60 mm Planar surface Connect to earth terminal on surge arrester flange Connect to earth Min 60 mm to ground plane Figure 3 5 1 Side view Figure 3 5 2 Back view Figure 3 5 3 Front view ...

Страница 28: ...n Assemble the EXCOUNT II sensor to either the pre assembled coupling figure 3 6 1 or to the pre assembled terminal figure 3 6 2 as appropriate to the type of PEXLINK transmission line arrester 8 5 4 SENSOR ISCONNECTING DEVICE OUPLING PRE ASSEMBLED AT FACTORY ARTH CABLE 8 5 4 SENSOR ACILITY TO ATTACH WEIGHTS ISCONNECTING DEVICE 4ERMINAL PRE ASSEMBLED AT FACTORY ARTH CABLE Figure 3 6 1 Figure 3 6 2...

Страница 29: ...tion The assembly of the components is generally as per section 3 4 alter native 1 except that the arrester is intended specifically for inverted mounting Furthermore it may be necessary to mount the EXCOUNT II sensor upside down in certain cases as shown in Figure 3 7 1 With such arrangements special precautions may be necessary to additionally seal the battery compartment against water ingress E...

Страница 30: ...30 1HSA 801 080 15en EXCOUNT II Users Manual ...

Страница 31: ...31 1HSA 801 080 15en EXCOUNT II Users Manual Using the transceiver Section 4 ...

Страница 32: ...ter the design is showerproof but not watertight Cleaning To clean the transceiver use only a damp soft cloth with a mild detergent Changing the battery The transceiver is powered by a 9 volt battery Always check the bat tery status before going to site to take measurements Replace it when necessary with type 6LR61 PP3 NOTE Used batteries should NOT simply be thrown away Return the battery to a re...

Страница 33: ...ch the transceiver on off To turn on the transceiver press To turn off the transceiver press The transceiver turns itself off automatically after 5 minutes XTERNAL ANTENNA CONNECTION ATTERY COVER 0ROTECTIVE COVER EXCOUNT II ATA CABLE CONNECTION NTER NCREASE VALUE ISPLAY SCREEN ECREASE VALUE OVE DOWN OVE UP O BACK ...

Страница 34: ...point c Turn on the transceiver and enable the external antenna from the settings menu as described in section 5 4 2 d Make measurements following the guidelines given in Section 4 of this User s Manual Note that the external antenna must be pointed directly at the sensor s in built antenna in order to obtain the optimum signal strength e After completing the measurements carefully unscrew the ext...

Страница 35: ...uccessfully Active field xxx yyyy zzz Sensor ID Transfer data Data transfer from PC to transceiver Read data Data transfer from transceiver to PC Battery check Battery condition Leakage current measurement Settings Resistive leakage current measurement Date clock Read surge counter data Antenna Total reading Backlight Operating voltage Contrast Not avaiable in all versions A B B ...

Страница 36: ...to the EXCOUNT II software See 5 1 2 Set the transceiver to Data transfer from Transceiver to PC mode Connect the transceiver to the PC via the data cable Open the EXCOUNT II PC software and select Transfer data followed by Receive measured data from transceiver Click Request data when ready Click save to store the details in the database Before going to the site check the battery status See 5 2 T...

Страница 37: ...mportant to check that the date and time are sychronized between both of them See figure 4 1 1 and 4 1 2 If not set them as described in section 5 4 If this is not done the date stamp from the sensor will be incorrect which can lead to difficulties in recording measurements Figure 4 1 1 Windows date time properties menu Figure 4 1 2 Transceiver date time properties menu ...

Страница 38: ...sible signal strength see section 4 6 to 4 9 below 4 6 Your body affects the signal strength Keep the transceiver as far away as possible from your body arm length since your body acts to diminish the energy from the trans mitter The antenna is located in the top of the transceiver so do not place your hands or other obstructions over this area 4 7 Optimal direction of the internal transceiver ant...

Страница 39: ... As noted in section 4 7 facing almost 90 degrees to the sensor will also assist in optimizing the signal strength Figure 4 8 1 Optimal direction of the sensor antenna Since EXCOUNT II relies on radio communication to make contact between the transceiver and sensor so called dead zones can exist whereby the location you are standing at does not permit adequate signal strength If a measurement is a...

Страница 40: ...ain the optimum signal strength Direct and completely unobstructed line of sight is preferable between the transceiver antenna and the sensor during communication The first attempt for communication should always follow the guidelines given in section 4 8 but with the external antenna pointed directly at the sensor If difficulties are experienced trial different locations around the sensor Note th...

Страница 41: ...ommunication should be checked both with the line de energized and energized The final functionality at a given location with a specific special configuration can then be determined As a further consideration whilst the use of the external antenna may assist in achieving effective communication the tower gantry layout and configuration can affect the ultimate accuracy of the resistive leakage curr...

Страница 42: ...ing network arrangement lightning flash density system redundancy resources desired accuracy in time stamp etc As a guide the following strategy for a schedule of taking measurements is proposed to begin with Always a short time directly after energization to obtain a reference value At regular time intervals determined by site availability and importance Two readings per year is a reasonable star...

Страница 43: ...43 1HSA 801 080 15en EXCOUNT II Users Manual Transceiver menus Section 5 ...

Страница 44: ...is shown in the lower left corner The E stands for extended version which includes resistive leakage current measurement 5 Main menu Select alternative with the key Then press Transfer data see 5 1 Battery check see 5 2 Make measurements see 5 3 Settings see 5 4 Back to stand by 5 1 Transfer data Select alternative with the key Then press Data transfer from PC to Transceiver see 5 1 1 Data transfe...

Страница 45: ...een the transceiver and the PC See also the software help instructions Back to transfer data menu 5 2 Battery check Displays the condition of the battery Always check the condition of the battery before transfering data to from the transceiver Change battery if necessary If the battery expires during a measurement session data can be corrupted or lost In such case download the sensor ID s again an...

Страница 46: ...ID to read data from with the Start the reading by pressing A successful transmission is marked with A failed transmission is marked with If the transmission was unsuccessful an error code will be displayed Back to read data menu 5 3 2 Read surge counter data Select sensor ID to read data from with the key Start the reading by pressing A successful transmission is marked with A failed transmission...

Страница 47: ...was unsuccessful an error code will be displayed Back to read data menu 5 3 3 1 Operating voltage Not available in all versions The actual operating voltage must be given when measuring the resistive leakage current The system voltage is displayed as a default value Adjust the value to the actual value with and keys Enter the correct value by pressing NOTE If the system is 3 phase the value should...

Страница 48: ...reading is made in turn automatically A successful transmission is marked with A failed transmission is marked with If the transmission was unsuccessful an error code will be displayed If any reading is unsuccessfull press key again to repeat the reading Back to total reading menu 5 4 Settings menu Select alternative with the key Then press Backlight settings see 5 4 1 Antenna settings see 5 4 2 C...

Страница 49: ...ndicated by instead of Disable backlight by pressing Changes are stored in non volatile memory Back to settings meny 5 4 2 External antenna By default internal antenna is enabled Enable external antenna by pressing Enabled external antenna is indicated by instead of Disable external antenna by pressing Changes are stored in non volatile memory Back to settings meny ...

Страница 50: ...meny 5 4 4 Set clock and date The cursor highlights which digit to adjust The cursor is moved to the next digit by pressing the key Each digit is changed by using the and keys After changing any digit the status symbol is changed to X When the correct date and clock is set move the cursor to the X and enter the value by pressing This changes the status symbol to 5 Transceiver menus ...

Страница 51: ...51 1HSA 801 080 15en EXCOUNT II Users Manual Surge arrester monitoring theory Section 6 ...

Страница 52: ...asurements in a single monitoring system The EXCOUNT II system comprises a sensor permanently mounted at the base of the arrester a transceiver for wireless communication with the sensor and proprietary software installed on a personal computer In the following the bases for surge counting and leakage current measurements are described and the corresponding functions of the EXCOUNT II are presente...

Страница 53: ...cal data on surge counting see technical data in section 8 on page 52 Figure 6 2 1 Internal parts of the EXCOUNT II sensor The memory content is transmitted to the EXCOUNT II transceiver at the time of the leakage current measurements described below The surge counter data is later transmitted to a personal computer and analyzed by means of the EXCOUNT II software The use of the detailed surge cou...

Страница 54: ...of a metal oxide arrester can be divided into capacitive and resistive parts see figure 6 3 1 with a predominant capacitive component and a significantly smaller resistive part 5 to 20 of the total current The capacitive leakage current is caused by the permittivity of the metal oxide varistors by the stray capacitances and by internal grading capacitors if applied A large increase in the resistiv...

Страница 55: ... value of the leakage current when the voltage across the arrester is at its maxi mum dU dt 0 In the leakage current region the resistive current depends on the voltage stress and temperature of the varistors The typical non linear behavior of the resistive leakage current is shown in figure 6 3 2 for two different varistor temperatures The voltage stress is expressed as the ratio of the operating...

Страница 56: ... stress temperature and make of the arrester As an example the third harmonic content of the total leakage current is typically 10 40 of the resistive current The harmonic content of the total leakage current can therefore be used as an indicator of the resistive leakage current Using harmonics for measuring the resistive leakage current is advantageous compared to other methods since no voltage r...

Страница 57: ...gure 6 3 3 Total leakage currents of metal oxide surge arresters in different service conditions The capacitive harmonic currents produced by the voltage harmonics may be of the same order of magnitude as the harmonic currents generated by the non linear resistive leakage current This means that the third harmonic content originating from the system voltage interferes with the third harmonic conte...

Страница 58: ...nt of the arrester and the current induced in a field probe the latter being proportional to the harmonic content in the system voltage The principle for measurement of the resistive leakage current with the EXCOUNT II is the same as for the original leakage current monitor LCM developed by ABB Switchgear and TransiNor and described in detail in 2 The procedure for total leakage current and field ...

Страница 59: ...mperature and sensor identity etc For details on the sensor transceiver data commu nication system see technical data in section 11 on page 42 Figure 6 3 5 Principle of field probe for determination of system voltage harmonics In the transceiver the magnitudes of the total leakage currents are checked with regard to the measurement ranges see Table 1 Extre mely low current levels caused by the arr...

Страница 60: ... are therefore recorded at the time of the total leakage current and field probe current measu rements The ambient temperature is automatically measured by the sensor while the operating voltage is entered into the transceiver at the time of the total leakage current and field probe measurement Figure 6 3 6 Resistive leakage current information from the surge arrester manufacturer The information ...

Страница 61: ...ra ture These multipliers are used for converting the actual values of voltage stress and ambient temperature at the time of measurement to standard operating conditions Examples of such multipliers are given in Figures 6 3 7 and 6 3 8 Figure 6 3 7 Typical information for conversion to standard operating voltage conditions Figure 6 3 8 Typical information for conversion to standard ambient tempera...

Страница 62: ...previous results obtained for the same arrester to reveal any significant chan ges in the leakage current level over time The converted leakage current level can be compared with the maximum level recommended by the arrester manufacturer These comparisons are carried out by the EXCOUNT II software The results may be presented and documented in graphs tables and reports References 1 IEC 60099 5 Ed ...

Страница 63: ...63 1HSA 801 080 15en EXCOUNT II Users Manual Radio transmission protocol Section 7 ...

Страница 64: ...k recovery process The training preamble usually consists of several bytes of a 1 0 1 0 1 0 sequence EXCOUNT II RF Link Packet Format Preamble Start Symbol To Byte From Byte Packet Number Size Status Byte Message FCS High Byte FCS Low Byte Figure 7 1 1 The preamble is followed by a start symbol often called a start vector which is a distinct pattern of bits marking the start of the information sec...

Страница 65: ...65 1HSA 801 080 15en EXCOUNT II Users Manual 7 Radio transmission protocoll 9 Disposal Technical data Section 8 ...

Страница 66: ... A 5000 9999 A 10 000 A Error in surge coun ting amplitude 20 Surge counting time resolution 0 5 s Surge counting time stamp format YYYY MM DD hhmmss 1 s resolution Surge counting memory capacity 1000 registrations wrap around Leakage Current Measurement Measuring range of total leakage current peak value 0 2 12 mA Error in total leakage current 5 Optional Measuring range of resistive leakage cur ...

Страница 67: ...A Primary power supply Built in solar cell and field probe Back up 9 Volt lithium battery U9VL primary for indoor use 9 Volt battery Alkaline type 6LR61 PP3 N A Battery replace ment period 8 years with 1200 mAh lithium battery 4 hours N A Weight without battery 2072 g 221 g 420 g System clock The time stamp for surge counting is only as accurate as the value stored in the sensor This value is rese...

Страница 68: ...1HSA 801 080 15en EXCOUNT II Users Manual 8 Technical data EXCOUNT II ID No XXXXXXXX Cat No 1HSA44X XXX X Made in Sweden Figure 8 2 1 Sensor Figure 8 2 3 External antenna 8 2 Dimensions Figure 8 2 2 Sensor ...

Страница 69: ...69 1HSA 801 080 15en EXCOUNT II Users Manual Disposal Section 9 ...

Страница 70: ...nents shall be disposed of according to local regulations The sensor transceiver and external antenna contain electronic metal rubber and plastic components The 9V battery in each device must be removed and disposed of separately The sensor is assembled in a sealed case making it difficult to dis mantle completely for separate disposal ...

Страница 71: ...71 1HSA 801 080 15en EXCOUNT II Users Manual Transceiver error codes Section 10 ...

Страница 72: ...an be a likely cause Wait 30 seconds before attempting to retransmit the data Attempt with individual readings rather than total reading if this was the case 31 EEPROM data read error The transceiver could not read from the inter nal EEPROM memory Turn off the transceiver and restart If the error persists a serious internal fault may have occured Contact your EXCOUNT II service representative 32 E...

Страница 73: ... field probe in the sensor Check that a the line is correctly energized b the sensor is correctly mounted If none of the above are found to be the cause take measurements at another time 61 Low leakage current The measured leakage current is too low 0 2 mApeak Check that a the line is correctly energized b the sensor is correctly mounted If none of the above are found to be the cause take measurem...

Страница 74: ...t still cannot be established check a the chosen sensor ID is present at this station b the distance and orientation to the sensor is as described in section 4 c interference from a high frequency source d battery status to ensure the transceiver battery voltage is sufficient e antenna status to ensure it is correctly enabled Note If none of the above are found to be the cause then consider the fo...

Страница 75: ...stance and orientation to the sensor is as described in section 4 b interference from a high frequency source c battery status to ensure the transceiver battery voltage is sufficient d antenna status to ensure it is correctly enabled Note If none of the above are found to be the cause then consider the following When the energy in the sensor falls below a certain level the sensor switches off the ...

Страница 76: ...76 1HSA 801 080 15en EXCOUNT II Users Manual ...

Страница 77: ...77 1HSA 801 080 15en EXCOUNT II Users Manual 12 Index Index Section 11 ...

Страница 78: ... measurement M Making measurements 36 Measuring principle 9 Measurement strategy 42 P Packet communication protocol 64 PC 9 Pre installation 12 R Radio transmission protocol 64 Range of the communication 38 Reference measurement 25 Resistive leakage current 47 55 58 S Safety instructions 3 Sensor 9 antenna 39 field probe 58 ID number 20 Installation 25 Set clock and date 37 Software 15 Special con...

Страница 79: ...Technical data 66 67 Total reading 48 Transceiver 9 antenna 34 38 battery check 45 cleaning 32 data transfer 44 date time 50 error codes 72 73 74 75 functions 33 measurement 46 menus 44 range of the communication 38 sychronization of the clocks 37 symbols 35 ...

Страница 80: ...ts Surge Arresters SE 771 80 LUDVIKA Sweden Phone 46 0 240 78 20 00 Fax 46 0 240 179 83 E mail arresters div se abb com Internet http www abb com arrestersonline NOTE ABB AB is working continuously to improve the products We therefore reserve the right to change designs dimensions and data without prior notice ...

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